Identifying Trig Ratios and Their Signs

What is the side opposite to an angle in a right triangle called?

• Opposite

• Adjacent

• Hypotenuse

• Base

Which side is always opposite the 90-degree angle in a right triangle?

• Base

• Opposite

• Hypotenuse

• Adjacent

What is the sine of an angle in a right triangle?

• Opposite over Hypotenuse

• Hypotenuse over Adjacent

• Adjacent over Hypotenuse

• Opposite over Adjacent

What is the reciprocal of the cosine function?

• Secant

• Cosecant

• Cotangent

• Tangent

In a 3-4-5 triangle, if one leg is 30 and the other is 40, what is the length of the hypotenuse?

• 60

• 70

• 50

• 90

What is the tangent of angle L if the opposite side is 40 and the adjacent side is 30?

• 2/3

• 3/4

• 4/3

• 1/2

In which quadrant are both sine and cosine positive?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

In which quadrant is cosine negative but sine positive?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

When is the tangent of an angle negative?

• Quadrant II and IV

• Quadrant I and III

• Quadrant I and IV

• Quadrant II and III

When is cotangent positive?

• Quadrant I and II

• Quadrant II and III

• Quadrant I and III

• Quadrant III and IV